Comet 67P observed from Europe’s Rosetta spinning down

March 21, 2015 9:01 PM

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The Rosetta satellite’s Comet 67P is learned to be spinning down gradually. European observers have noticed it is extending by about a second a day. “The gas jets coming out of the comet – they are acting like thrusters and are slowing down the comet,” said flight director Andrea Accomazzo.

The Space Agency official of Europe was speaking this week at the Royal Aeronautical Society in London.